data_global
_chemical_name_mineral 'Henrymeyerite'
loop_
_publ_author_name
'Mitchell R H'
'Yakovenchuk V N'
'Chakhmouradian A R'
'Burns P C'
'Pakhomovsky Y A'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 38 
_journal_year 2000
_journal_page_first 617
_journal_page_last 626
_publ_section_title
;
 Henrymeyerite, a new hollandite-type Ba-Fe titanate from the
 Kovdor Complex, Russia
;
_database_code_amcsd 0005647
_chemical_compound_source 'Kovdor Complex, Russia'
_chemical_formula_sum '(Ba.86 Na.09 K.01 La.02 Ce.02) Ti3.44 Fe.52 O8'
_cell_length_a 10.219
_cell_length_b 10.219
_cell_length_c 2.963
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 309.420
_exptl_crystal_density_diffrn      4.807
_symmetry_space_group_name_H-M 'I 4/m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  'y,-x,-z'
  '1/2+y,1/2-x,1/2-z'
  '-y,x,z'
  '1/2-y,1/2+x,1/2+z'
  'x,y,-z'
  '1/2+x,1/2+y,1/2-z'
  '-x,-y,z'
  '1/2-x,1/2-y,1/2+z'
  '-y,x,-z'
  '1/2-y,1/2+x,1/2-z'
  'y,-x,z'
  '1/2+y,1/2-x,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Ba   0.00000   0.00000   0.50000   0.86000
Na   0.00000   0.00000   0.50000   0.09000
K   0.00000   0.00000   0.50000   0.01000
La   0.00000   0.00000   0.50000   0.02000
Ce   0.00000   0.00000   0.50000   0.02000
Ti   0.34985   0.16604   0.00000   0.86000
Fe   0.34985   0.16604   0.00000   0.13000
O1   0.15580   0.20370   0.00000   1.00000
O2   0.53900   0.16720   0.00000   1.00000
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Ba 0.02900 0.02900 0.03100 0.00000 0.00000 0.00000
Na 0.02900 0.02900 0.03100 0.00000 0.00000 0.00000
K 0.02900 0.02900 0.03100 0.00000 0.00000 0.00000
La 0.02900 0.02900 0.03100 0.00000 0.00000 0.00000
Ce 0.02900 0.02900 0.03100 0.00000 0.00000 0.00000
Ti 0.00900 0.01210 0.00600 0.00210 0.00000 0.00000
Fe 0.00900 0.01210 0.00600 0.00210 0.00000 0.00000
O1 0.01000 0.01500 0.00900 0.00000 0.00000 0.00000
O2 0.01000 0.01300 0.01300 0.00000 0.00000 0.00000